(PhysOrg.com) -- There's more to the cosmos than meets the eye. About 80 percent of the matter in the universe is invisible to telescopes, yet its gravitational influence is manifest in the orbital speeds of stars around ...
Astronomy
Apr 2, 2012
77
0
(PhysOrg.com) -- Two teams of physicists at the U.S. Department of Energy's Fermilab and Lawrence Berkeley National Laboratory (Berkeley Lab) have independently made the largest direct measurements of the invisible scaffolding ...
General Physics
Jan 9, 2012
16
0
All observations in astronomy are based on light emitted from stars and galaxies and, according to the general theory of relativity, the light will be affected by gravity. At the same time all interpretations in astronomy ...
Astronomy
Sep 28, 2011
29
0
(PhysOrg.com) -- A new study of the behavior of marmots suggests that a willingness to accept some extent of bullying, rather than shying away from interactions that could lead to conflict, may be inherited.
Adults of many animal species play a crucial role in the social development of youngsters. A new study published March 18 in the online, peer-reviewed, open-access journal PLoS ONE, reveals that the ratio of adults to young ...
Plants & Animals
Mar 17, 2009
0
0
(PhysOrg.com) -- Fishing and hunting are having broad, swift impacts on the body size and reproductive abilities of fish and other commercially harvested species, potentially jeopardizing the ability of entire populations ...
Jan 12, 2009
9
0
How confident are you in your judgments and how well can you defend your opinions? Chances are that they will change under the influence of a group of avatars in a virtual environment. Scientists from SWPS University have ...
Social Sciences
Mar 18, 2024
0
66
It has long been known that there is a complex interplay between genetic factors and environmental influences in shaping behavior. Recently it has been found that genes governing behavior in the brain operate within flexible ...
Other
Feb 27, 2024
1
145
Communities of microorganisms at the bottom of polar lakes evolved independently from other regions, influenced by the particular geological, biological, and climate history of their regions. The unique character of the microbial ...
Evolution
Feb 14, 2024
0
19
What does an asparagus have in common with a vanilla orchid? Not much, if you are just looking at the two plants' appearances. However, when you look inside, their leaves are more similar than you would think, as revealed ...
Plants & Animals
Jan 30, 2024
0
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